<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>

<body>

</body>
<script>
    for (var i = 100; i < 1000; i++) {
        // 取百位赋值给a
        var a = parseInt(i / 100)
        // 取十位赋值给b
        var b = parseInt(i % 100 / 10)
        // 取个位赋值给c
        var c = i % 100 % 10
        var num = a * a * a + b * b * b + c * c * c
        if (num == i) {
            // 输出水仙数
            console.log(num);
        }

    }
</script>

</html>